from django.conf.urls import urlfrom . import viewsurlpatterns = [    url(r'^loginview/$', views.LoginView.as_view()),  # 演示模板基本使用    url(r'^index/$', views.IndexView.as_view()),  # 演示模板渲染语法    url(r'^son/$', views.SonView.as_view()),  # 演示模板继承]